1//===- llvm/unittest/Support/ManagedStatic.cpp - ManagedStatic tests ------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9#include "llvm/Support/ManagedStatic.h" 10#include "llvm/Support/Threading.h" 11#include "llvm/Config/config.h" 12#ifdef HAVE_PTHREAD_H 13#include <pthread.h> 14#endif 15 16#include "gtest/gtest.h" 17 18using namespace llvm; 19 20namespace { 21 22#ifdef HAVE_PTHREAD_H 23namespace test1 { 24 llvm::ManagedStatic<int> ms; 25 void *helper(void*) { 26 *ms; 27 return NULL; 28 } 29} 30 31TEST(Initialize, MultipleThreads) { 32 // Run this test under tsan: http://code.google.com/p/data-race-test/ 33 34 llvm_start_multithreaded(); 35 pthread_t t1, t2; 36 pthread_create(&t1, NULL, test1::helper, NULL); 37 pthread_create(&t2, NULL, test1::helper, NULL); 38 pthread_join(t1, NULL); 39 pthread_join(t2, NULL); 40 llvm_stop_multithreaded(); 41} 42#endif 43 44} // anonymous namespace 45